As the years go by, more and more L owners will probably find this issue. There is a bar inside the seat that will over time, begin to wear through the foam padding, and eventually wear your seat material. Mine had started. Here is what it looks like, and what I did about it. Step One Remove the plastic seat trim on the side of the seat, where the seat adjust buttons are. You must remove the Lumbar adjustment knob, it is on very tight and will have to be pulled straight off..pull hard and steady, it will come off. At this point this is what you will have: